Measurement E9M216
| Experiment: | E-89-037 Electroproduction of the P33(1232) Resonance | |
|---|---|---|
| Year: | 2002 | |
| Spokespersons: | V. Burkert, R. Minehart | |
| Reaction: | ep → π0p | |
| Polarization: | none | |
| Quantity: | dσ/dΩ | |
| Q2: | 0.7 — 0.8 GeV2 | |
| W: | 1.54 GeV | |
| ε: | 0.725 | |
| Publication: |
K. Joo, L. C. Smith, V. D. Burkert, R. Minehart, I. G. Aznauryan, L. Elouadrhiri, S. Stepanyan, and CLAS Collaboration Q2 Dependence of Quadrupole Strength in the γ*p --> Δ+(1232) --> pπ0 Transition //
Phys. Rev. Let. 88, 122001 (2002)
|
|
| cos(θπ) | φπ, [deg] | dσ/dΩ, [μb/sr] | uncertainty |
|---|---|---|---|
| -0.9 | 15.0 | 0.751 | 0.348 |
| -0.9 | 45.0 | 0.867 | 0.353 |
| -0.9 | 75.0 | 0.98 | 0.489 |
| -0.9 | 105.0 | 0.544 | 0.214 |
| -0.9 | 135.0 | 1.94 | 1.07 |
| -0.9 | 165.0 | 1.45 | 0.526 |
| -0.9 | 195.0 | 0.696 | 0.283 |
| -0.9 | 225.0 | 1.02 | 0.478 |
| -0.9 | 255.0 | 0.57 | 0.315 |
| -0.9 | 285.0 | 1.23 | 0.532 |
| -0.9 | 315.0 | 0.627 | 0.28 |
| -0.9 | 345.0 | 0.249 | 0.132 |
| -0.7 | 15.0 | 0.738 | 0.233 |
| -0.7 | 45.0 | 1.02 | 0.305 |
| -0.7 | 75.0 | 1.12 | 0.531 |
| -0.7 | 105.0 | 3.16 | 1.61 |
| -0.7 | 165.0 | 1.54 | 0.817 |
| -0.7 | 195.0 | 4.32 | 2.2 |
| -0.7 | 255.0 | 11.2 | 9.16 |
| -0.7 | 285.0 | 2.04 | 0.912 |
| -0.7 | 315.0 | 0.656 | 0.252 |
| -0.7 | 345.0 | 0.651 | 0.19 |
| -0.5 | 15.0 | 0.922 | 0.261 |
| -0.5 | 45.0 | 0.634 | 0.304 |
| -0.5 | 75.0 | 1.36 | 0.611 |
| -0.5 | 105.0 | 1.6 | 0.546 |
| -0.5 | 135.0 | 1.58 | 0.496 |
| -0.5 | 165.0 | 1.69 | 2.08 |
| -0.5 | 225.0 | 1.93 | 0.735 |
| -0.5 | 255.0 | 1.09 | 0.367 |
| -0.5 | 285.0 | 0.324 | 0.237 |
| -0.5 | 315.0 | 0.928 | 0.39 |
| -0.5 | 345.0 | 1.03 | 0.269 |
| -0.3 | 15.0 | 1.3 | 0.34 |
| -0.3 | 45.0 | 0.854 | 0.326 |
| -0.3 | 75.0 | 1.32 | 0.479 |
| -0.3 | 105.0 | 2.4 | 0.536 |
| -0.3 | 135.0 | 1.99 | 0.455 |
| -0.3 | 165.0 | 3.05 | 1.64 |
| -0.3 | 195.0 | 1.5 | 0.927 |
| -0.3 | 225.0 | 1.36 | 0.315 |
| -0.3 | 255.0 | 2.95 | 0.615 |
| -0.3 | 285.0 | 1.63 | 0.502 |
| -0.3 | 315.0 | 2.39 | 0.634 |
| -0.3 | 345.0 | 1.22 | 0.326 |
| -0.1 | 15.0 | 0.495 | 0.24 |
| -0.1 | 45.0 | 1.26 | 0.4 |
| -0.1 | 75.0 | 1.76 | 0.457 |
| -0.1 | 105.0 | 2.28 | 0.399 |
| -0.1 | 135.0 | 3.28 | 0.736 |
| -0.1 | 195.0 | 19.0 | 21.3 |
| -0.1 | 225.0 | 2.58 | 0.583 |
| -0.1 | 255.0 | 2.45 | 0.448 |
| -0.1 | 285.0 | 1.85 | 0.436 |
| -0.1 | 315.0 | 2.55 | 0.687 |
| -0.1 | 345.0 | 0.671 | 0.323 |
| 0.1 | 15.0 | 3.06 | 0.99 |
| 0.1 | 45.0 | 1.17 | 0.427 |
| 0.1 | 75.0 | 2.16 | 0.466 |
| 0.1 | 105.0 | 2.01 | 0.392 |
| 0.1 | 135.0 | 1.68 | 0.478 |
| 0.1 | 225.0 | 3.12 | 0.868 |
| 0.1 | 255.0 | 1.78 | 0.33 |
| 0.1 | 285.0 | 2.09 | 0.424 |
| 0.1 | 315.0 | 2.23 | 0.767 |
| 0.1 | 345.0 | 1.1 | 0.464 |
| 0.3 | 15.0 | 0.58 | 0.261 |
| 0.3 | 45.0 | 2.15 | 0.795 |
| 0.3 | 75.0 | 2.4 | 0.476 |
| 0.3 | 105.0 | 3.04 | 0.541 |
| 0.3 | 135.0 | 2.89 | 0.841 |
| 0.3 | 195.0 | 11.0 | 12.8 |
| 0.3 | 225.0 | 2.15 | 0.742 |
| 0.3 | 255.0 | 2.48 | 0.476 |
| 0.3 | 285.0 | 1.81 | 0.372 |
| 0.3 | 315.0 | 0.769 | 0.313 |
| 0.3 | 345.0 | 1.84 | 0.652 |
| 0.5 | 15.0 | 0.46 | 0.248 |
| 0.5 | 45.0 | 1.11 | 0.439 |
| 0.5 | 75.0 | 2.34 | 0.508 |
| 0.5 | 105.0 | 1.67 | 0.342 |
| 0.5 | 135.0 | 2.79 | 1.21 |
| 0.5 | 165.0 | 0.471 | 0.255 |
| 0.5 | 195.0 | 3.08 | 1.96 |
| 0.5 | 225.0 | 0.537 | 0.283 |
| 0.5 | 255.0 | 3.24 | 0.62 |
| 0.5 | 285.0 | 1.24 | 0.255 |
| 0.5 | 315.0 | 1.17 | 0.412 |
| 0.5 | 345.0 | 0.885 | 0.358 |
| 0.7 | 15.0 | 0.719 | 0.295 |
| 0.7 | 45.0 | 0.913 | 0.394 |
| 0.7 | 75.0 | 0.947 | 0.251 |
| 0.7 | 105.0 | 1.52 | 0.394 |
| 0.7 | 135.0 | 0.499 | 0.31 |
| 0.7 | 165.0 | 1.37 | 1.15 |
| 0.7 | 195.0 | 0.81 | 0.665 |
| 0.7 | 225.0 | 1.88 | 1.02 |
| 0.7 | 255.0 | 1.07 | 0.282 |
| 0.7 | 285.0 | 1.56 | 0.405 |
| 0.7 | 315.0 | 0.288 | 0.177 |
| 0.7 | 345.0 | 1.53 | 0.744 |
| 0.9 | 15.0 | 1.64 | 0.726 |
| 0.9 | 45.0 | 0.369 | 0.189 |
| 0.9 | 75.0 | 1.38 | 0.501 |
| 0.9 | 105.0 | 1.51 | 0.589 |
| 0.9 | 135.0 | 0.531 | 0.423 |
| 0.9 | 165.0 | 1.95 | 2.76 |
| 0.9 | 225.0 | 0.316 | 0.239 |
| 0.9 | 255.0 | 0.895 | 0.313 |
| 0.9 | 285.0 | 0.62 | 0.201 |
| 0.9 | 315.0 | 0.895 | 0.429 |
| 0.9 | 345.0 | 0.589 | 0.285 |
Experiment comment: